Answer:
FOK I don’t know. I’ll come back to the question
Explanation:
Physical change alters a given material without changing its chemical.
Answer:
deep blue solution of tetramminecopper [Cu(NH3)4]2+ complex ion.
Explanation:
Answer:
pH ( potential Hydrogen ) is a negative logarithm of molar concentration of hydrogen ions.
therefore:
Answer:
Rubidium is a typical but very reactive member of the series of alkali metals. It is appreciably more reactive than potassium, but less so than caesium, and so would be expected to react more violently with those materials that are hazardous with potassium or sodium.